Contrast-Free Microvascular and Functional Brain Imaging by Sparse Deconvolution of Ultrafast Power Doppler
Ge Zhang, Nicolas Zucker, Thomas Deffieux, Mathieu Pernot, Nathalie Ialy-Radio, Sophie Pezet, Mickaël Tanter
This paper introduces a sparse deconvolution framework to enhance resolution in ultrafast power Doppler ultrasound imaging, improving microvascular and functional brain imaging without contrast agents.
bioRxiv · Sep 13, 2026 · PreprintBioengineering